What is Duplicacy used for?

Duplicacy is a cross-platform cloud backup tool that uses lock-free deduplication and client-side encryption. It is a good fit for individual users backing up files to cloud storage and IT service providers offering managed backup services with customized web GUI.

Is Duplicacy open source?

No. Duplicacy is proprietary (closed-source) software. In the Utilities & System Tools category, open-source options include Alt Tab Macos, Amethyst and Clipy.

Can I self-host Duplicacy?

Yes. Although Duplicacy is closed source, it can be self-hosted on your own servers.

What are some alternatives to Duplicacy?

Duplicacy competes with CrashPlan.

Duplicacy: features, pricing and alternatives

About Duplicacy

Duplicacy is a cross-platform cloud backup tool that backs up files to cloud storage services, local disks, and SFTP servers. It uses lock-free deduplication and client-side encryption to manage backups without a centralized chunk database.

The tool offers a web-based GUI for setting up backup, copy, check, and prune jobs, along with statistical charts for monitoring backup health. It also provides a command-line interface for manual or scripted use.

Key features

Lock-free deduplication using file system API without locks
Two-step fossil collection algorithm for deleting unreferenced chunks
Supports cloud storage services, local disks, and SFTP servers
Web-based GUI with dashboard and statistical charts
Command-line interface for manual or scripted use
Source code available for the command-line version on GitHub

Good fit for

Individual users backing up files to cloud storage
IT service providers offering managed backup services with customized web GUI

Tags: backup; cloud; encryption; deduplication; cross-platform

Duplicacy: questions and answers

What is Duplicacy used for?: Duplicacy is a cross-platform cloud backup tool that uses lock-free deduplication and client-side encryption. It is a good fit for individual users backing up files to cloud storage and IT service providers offering managed backup services with customized web GUI.
Is Duplicacy open source?: No. Duplicacy is proprietary (closed-source) software. In the Utilities & System Tools category, open-source options include Alt Tab Macos, Amethyst and Clipy.
Can I self-host Duplicacy?: Yes. Although Duplicacy is closed source, it can be self-hosted on your own servers.
What are some alternatives to Duplicacy?: Duplicacy competes with CrashPlan.